Somerset County and North Plainfield Borough property record for 421 Mountain Ave, North Plainfield, NJ 07062
| Property Type | Single Family Home |
|---|---|
| Details | 1,698 sqft · built 1951 |
| Lot Size | 0.244 acres (10,620 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $440,000 (Jul 2021) |
| Tax Bill | $11,358 (2025) |
| Deeds & Mortgages | Jul 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 14-00004-04-00030 |
| Primary APN | 14-00004-04-00030 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,698 sqft Living Area |
| 1st Floor Area | 1,698 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Construction Type | Frame |
| Lot Area | 10,620 sqft (0.244 acres) |
| Lot Dimensions | 177 ft deep x 60 ft wide |
| Account Number | S001 |
|---|---|
| Street Address | 421 MOUNTAIN AVE |
| City | NORTH PLAINFIELD |
| State | NJ |
| Zip | 07062-2422 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Subdivision | NETHERWOOD ESTATES SEC TWO |
| Legal Block | 4.4 |
| Legal Lot Number | 30 |
| Jurisdiction | SOMERSET NJ |
| Township / Civil Division | NORTH PLAINFIELD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 52001 |
421 Mountain Ave is owned and occupied by two individuals who bought it in July 2021.
Source: Somerset County and North Plainfield Borough records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 421 MOUNTAIN AVE, NORTH PLAINFIELD, NJ 07062-2422 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 2, 2021 · Amount on File |
| Deed Sale | Jul 2, 2021 · Amount on File |
| Deed Document Number | 202140630 |
| Deed Book / Page | 7358 / 2937 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SOMERSET NJ |
| Recording Date | Jul 2, 2021 |
| Property Address | 421 MOUNTAIN AVE, NORTH PLAINFIELD, NJ 07062-2422 |
| Document Number | 0000040630 |
| Book / Page | 7358 / 2937 |
| Instrument Date | Jun 28, 2021 |
| Instrument | 2021040630 |
| Transaction Type | Transfer |
| Record Updated | Jul 14, 2021 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,667.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 8 CREST TER, 8, MONTVILLE, NJ 07045-9312 |
| Name | Verified Name |
|---|---|
| Address | 421 MOUNTAIN AVE, NORTH PLAINFIELD, NJ 07062-2422 |
| Document Number | 0000040631 |
|---|---|
| Date | Jul 2, 2021 |
| Instrument | 2021040631 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2051 |
The 2025 property tax bill for 421 Mountain Ave was $11,358, up 4.2% from the year before.
Source: Somerset County and North Plainfield Borough assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Somerset County |
| Municipality | North Plainfield Borough |
| Unified School District | North Plainfield Borough School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $250,000 (-) Land $100,000 Building $150,000 | $250,000 (-) Land $100,000 Building $150,000 | |
| 2025 | $11,358.00 (+4.25%) | $250,000 Land $100,000 Building $150,000 | $250,000 Land $100,000 Building $150,000 |
| 2024 | $10,895.00 | ||
| 2023 | $250,000 Land $100,000 Building $150,000 | $250,000 Land $100,000 Building $150,000 | |
| 2022 | $10,202.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 44 flood claims nearby since 1993.
Source: FEMA National Flood Hazard Layer, effective September 3, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 44 (1993–2025) |
| Claims Outside the SFHA | 12 of 44 |
| Most Recent Claim | Jul 2025 · river or lake flooding |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 421 Mountain Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 92% of New Jersey |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | NJ AMERICAN WATER - RARITAN private · serves 615,430 people · EPA ID NJ2004002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2024 |
| Lead | 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 431 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Optimum, T-Mobile.
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